Home / 198,571.07-274,029.90-107,927.24

Finding the Fourth Proportional to 198,571.07, 274,029.90 and 107,927.24

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Solution

The fourth proportional to 198,571.07, 274,029.90 and 107,927.24 is: 148,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,571.07 : 274,029.90 = 107,927.24 : x
  2. Step 2: Convert to fraction form
    198,571.07/274,029.90 = 107,927.24/x
  3. Step 3: Cross multiply
    198,571.07x = 274,029.90 × 107,927.24
  4. Step 4: Simplify right side
    198,571.07x = 29,575,289,414.33
  5. Step 5: Solve for x
    x = 29,575,289,414.33/198,571.07
  6. Step 6: Final answer
    x = 148,940.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.